class Runnable():
    def __init__(self, run):
        self.run = run
        self.__num = 0

    def num(self):
        return self.__num


def m1():
    print('m1')


def m2():
    print('m2')


def m3():
    print('m3')


a = Runnable(m1)
b = Runnable(m2)
c = Runnable(m3)
a.run()
b.run()
c.run()
print(c.num())

import numpy as np

print(np.zeros((2, 3, 3), dtype=np.uint8))
